Mary Robinette Kowal

The extraordinarily wealthy Tesla Crane and her husband are incognito on their honeymoon cruise. Not only did she inherit the company responsible for Earth's telecommunications, but she was a brilliant robotic engineer whose career ended in tragedy, leaving her broken in both mind and body. A few days after the ship begins its journey from the Moon to Mars the newlyweds interrupt a murder outside their cabin. Being a famous detective, her husband chases the fleeing murderer while Tesla waits for medical help with the victim. Unfortunately, the security chief arrests Tesla's husband as the easiest suspect ,so it's up to Tesla to make them see reason. When reason fails she sets out to find the murderer herself. The really strange thing? Another body has turned up in the waste recycling system but everyone aboard is accounted for. Have there been two murders? And who is this spare man?

Seveneves is an epic sci-fi story that is best experienced without knowing too much about the story. Know only that an unimaginable event occurs that results in a doomsday clock ticking down for planet Earth. This fact quickly becomes known around the globe and mankind must now face the real possibility of extinction in a short period of time. How will we as a race react to such devastating knowledge? In many different ways for sure and Neal Stephenson chronicles mankind's fate from multiple perspectives. From individuals to families, from communities to governments, and from science to religion all of the angles are explored as humanity is put to a test it was not prepared to handle.